git: openjdk/jdk: 8265984: Concurrent GC: Some tests fail "assert(is_frame_safe(f)) failed: Frame must be safe"

[Per Liden]

Changeset: 194bceca
Author:    Per Liden <pliden at openjdk.org>
Date:      2021-05-03 13:34:49 +0000
URL:       https://git.openjdk.java.net/jdk/commit/194bceca3a4d13d4528b86359ee9d5eead3ce7ac

8265984: Concurrent GC: Some tests fail "assert(is_frame_safe(f)) failed: Frame must be safe"

Reviewed-by: eosterlund, stefank, zgu

! src/hotspot/share/gc/z/zBarrierSetNMethod.cpp
! src/hotspot/share/opto/runtime.cpp